From Jim Chambers. The Deluxe Siler uses the standard Siler plate, but incorporates the taller hammer, different tumbler, and fancy frizzen spring from the Golden Age lock for improved performance. This lock incorporates all the high quality, precision machined parts from the Siler. Includes fly in tumbler for set triggers. Measures 5-1/4" x 1". Takes a 3/4" flint. Flint lock only, Right hand only. No. 43319